HTML Web Application

OAS communicates with HTML-based applications using JSON over HTTP/S.

API Access

OAS provides the following API access for integrating with custom clients and for full programmatic access to live and historical data:

  • REST API – The OAS REST API exposes functionality for reading and writing real-time and historical Tag Data, Trend Data, and Alarms. Additionally, the API can be used for managing OAS Server configurations.
  • HTTP API – Make HTTP calls using JSON data structures